West Nile virus in Europe in 2022 - human cases, updated 28 September 2022

Since last week’s update, and as of 28 September 2022, European Union (EU) and European Economic Area (EEA) countries reported 77 human cases of West Nile virus (WNV) infection and 1 death related to WNV infections. Cases were reported by Italy (62), Germany (5), Romania (5), Croatia (2), Hungary (2) and Spain (1). Deaths were reported by Romania (1). EU-neighbouring countries reported 18 human cases of WNV infection and no deaths related to WNV infections. Cases were reported by Serbia (18).

This week, among the reporting countries, the following NUTS 3 or GAUL1 regions have reported human cases of WNV infection for the first time: Biella and Cagliari in Italy.

Since the beginning of the 2022 transmission season and as of 28 September 2022, EU/EEA countries have reported 851 human cases of WNV infection in Italy (536), Greece (231), Romania (43), Hungary (14), Germany (8), Croatia (8), Austria (6), Spain (4) and Slovakia (1). EU/EEA countries have reported 53 deaths in Italy (28), Greece (20) and Romania (5). EU-neighbouring countries have reported 187 human cases of WNV infection in Serbia (187) and 8 deaths in Serbia (8).